Yiannis Kapakis stepped down Monday, following the replacement over the weekend of the heads of the country’s police and fire service.

For days after the July 23 inferno, Greece’s left-led government had denied any mishandling of the response effort, claiming authorities did their best.

The public order minister, Nikos Toskas, argued that despite much soul-searching he had been unable to detect any major mistakes. But following intense criticism from opposition parties, Toskas resigned Friday, and senior officials under his supervision followed suit.